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CONTROLLIING POTENTIAL-INDUCED DEGRADATON OF PHOTOVOLTAIC MODULES

United States Patent Application

20170098723
A1
View the Complete Application at the US Patent & Trademark Office
National Renewable Energy Laboratory - Visit the NREL Technology Transfer Website
Method for controlling a potential-induced degradation (PID) of a PV module. Embodiment includes modifying surface conductivity of the glass-cover of the PV module at least in proximity to an edge of the supporting frame to interrupt an electrically conductive path formed, between the supporting frame and the PV cell through the glass-cover, by ambient conditions. In a related embodiment, the electrically-insulating material is disposed between the glass-cover and the PV cell and. optionally, is additionally embedded in an encapsulating material in which the PV cell is embedded. Related embodiment includes assembling a PV module with a layer of electrically-insulating material configured to prevent the formation of such conductive path.
OH, JAEWON (Chandler, AZ), Tatapudi, Sai (Mesa, AZ), Tamizhmani, Govindasamy (Gilbert, AZ), Bowden, Stuart (Tempe, AZ)
15/ 315,086
June 10, 2015
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH [0002] This invention was made with government support under contract DE-AC36-08GO028308 awarded by the Department of Energy. The government has certain rights in the invention.